Struct HandlerRegistry 

pub struct HandlerRegistry { /* private fields */ }

Registry of inventory-submitted subscription handlers.

Implementations

impl HandlerRegistry

pub fn new() -> Self

pub fn auto_discover() -> Self

pub fn register(&mut self, item: &'static HandlerDescriptor)

impl HandlerRegistry

pub fn for_topic(&self, topic_name: &str) -> Vec<&'static HandlerDescriptor>

Handlers for a topic in stable registry-key order.

Methods from Deref<Target = Registry<HandlerDescriptor>>

pub fn register(&mut self, item: &'static T)

Insert a descriptor. If a descriptor with the same key already exists, it is replaced (last-write-wins).

pub fn get(&self, key: &str) -> Option<&'static T>

Look up an item by registry key.

pub fn list(&self) -> Vec<&str>

Returns all registered keys in arbitrary order.

pub fn len(&self) -> usize

Return the number of registered items.

pub fn is_empty(&self) -> bool

Return true when no items are registered.

pub fn iter(&self) -> impl Iterator<Item = &'static T>

Iterates over all registered descriptors in arbitrary order.

Trait Implementations

impl Clone for HandlerRegistry

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for HandlerRegistry

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for HandlerRegistry

fn default() -> Self

Returns the “default value” for a type.

impl Deref for HandlerRegistry

type Target = Registry<HandlerDescriptor>

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl DerefMut for HandlerRegistry

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.